| Champaign to Chivasso | 4,592.44 mi (7,390.83 km) |
| Champaign to Ciampino | 4,920.94 mi (7,919.49 km) |
| Champaign to Cicciano | 5,035.33 mi (8,103.58 km) |
| Champaign to Cingoli | 4,880.02 mi (7,853.63 km) |
| Champaign to Cinisello Balsamo | 4,631.81 mi (7,454.18 km) |
| Champaign to Cinisi | 5,096.66 mi (8,202.28 km) |
| Champaign to Cirie | 4,579.15 mi (7,369.42 km) |
| Champaign to Ciro Marina | 5,211.21 mi (8,386.64 km) |
| Champaign to Cislago | 4,617.94 mi (7,431.85 km) |
| Champaign to Cisterna di Latina | 4,939.09 mi (7,948.70 km) |
| Champaign to Cisternino | 5,162.56 mi (8,308.34 km) |
| Champaign to Citta di Castello | 4,837.16 mi (7,784.66 km) |
| Champaign to Citta Sant'Angelo | 4,949.29 mi (7,965.12 km) |
| Champaign to Cittadella | 4,729.14 mi (7,610.82 km) |
| Champaign to Cittanova | 5,213.78 mi (8,390.77 km) |
